Ensink, Jeroen H. J.; Aslam, M. Rizwan; Konradsen, Flemming; Jensen, Peter K.; Van Der Hoek, Wim(International Water Management Institute, Colombo, Sri Lanka, 2002)
Myers, Tommy E.; Gibson, Anthony C.; Dardeau, Elba A.; Schroeder, Paul R.; Stark, Timothy D.(US Army Corps of Engineers, Waterways Experiment Station, Norfolk, VA, 1993)